<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>21.生成器函数参数</title>
</head>
<body>
    <script>
        function * gen(arg){
            console.log(arg);
            let one = yield 111;
            console.log(one);
            let two = yield 222;
            console.log(two)
            let three = yield 333;
            console.log(three)
        }

        //执行获取迭代器对象
        let iterator = gen('AAA'); // 函数传参
        console.log(iterator.next());
        // next 方法可以传入实参
        console.log(iterator.next('BBB'));
        console.log(iterator.next('CCC'));
        console.log(iterator.next('DDD'));
    </script>
</body>
</html>